<!DOCTYPE html>
<HTML>
<HEAD>
  <TITLE> ZTREE DEMO - addNodes / editName / removeNode / removeChildNodes</TITLE>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <link rel="stylesheet" href="../../../css/demo.css" type="text/css">
  <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
  <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>
  <SCRIPT type="text/javascript">
    <!--
    var setting = {
      view: {
        selectedMulti: false
      },
      edit: {
        enable: true,
        showRemoveBtn: false,
        showRenameBtn: false
      },
      data: {
        keep: {
          parent: true,
          leaf: true
        },
        simpleData: {
          enable: true
        }
      },
      callback: {
        beforeDrag: beforeDrag,
        beforeRemove: beforeRemove,
        beforeRename: beforeRename,
        onRemove: onRemove
      }
    };

    var zNodes = [
      { id: 1, pId: 0, name: "parent node 1", open: true },
      { id: 11, pId: 1, name: "leaf node 1-1" },
      { id: 12, pId: 1, name: "leaf node 1-2" },
      { id: 13, pId: 1, name: "leaf node 1-3" },
      { id: 2, pId: 0, name: "parent node 2", open: true },
      { id: 21, pId: 2, name: "leaf node 2-1" },
      { id: 22, pId: 2, name: "leaf node 2-2" },
      { id: 23, pId: 2, name: "leaf node 2-3" },
      { id: 3, pId: 0, name: "parent node 3", open: true },
      { id: 31, pId: 3, name: "leaf node 3-1" },
      { id: 32, pId: 3, name: "leaf node 3-2" },
      { id: 33, pId: 3, name: "leaf node 3-3" }
    ];
    var log, className = "dark";

    function beforeDrag(treeId, treeNodes) {
      return false;
    }

    function beforeRemove(treeId, treeNode) {
      className = (className === "dark" ? "" : "dark");
      showLog("[ " + getTime() + " beforeRemove ]&nbsp;&nbsp;&nbsp;&nbsp; " + treeNode.name);
      return confirm("Confirm delete node '" + treeNode.name + "' it?");
    }

    function onRemove(e, treeId, treeNode) {
      showLog("[ " + getTime() + " onRemove ]&nbsp;&nbsp;&nbsp;&nbsp; " + treeNode.name);
    }

    function beforeRename(treeId, treeNode, newName) {
      if (newName.length == 0) {
        alert("Node name can not be empty.");
        var zTree = $.fn.zTree.getZTreeObj("treeDemo");
        setTimeout(function() { zTree.editName(treeNode) }, 10);
        return false;
      }
      return true;
    }

    function showLog(str) {
      if (!log) log = $("#log");
      log.append("<li class='" + className + "'>" + str + "</li>");
      if (log.children("li").length > 8) {
        log.get(0).removeChild(log.children("li")[0]);
      }
    }

    function getTime() {
      var now = new Date(),
        h = now.getHours(),
        m = now.getMinutes(),
        s = now.getSeconds(),
        ms = now.getMilliseconds();
      return (h + ":" + m + ":" + s + " " + ms);
    }

    var newCount = 1;

    function add(e) {
      var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
        isParent = e.data.isParent,
        nodes = zTree.getSelectedNodes(),
        treeNode = nodes[0];
      if (treeNode) {
        treeNode = zTree.addNodes(treeNode, { id: (100 + newCount), pId: treeNode.id, isParent: isParent, name: "new node" + (newCount++) });
      } else {
        treeNode = zTree.addNodes(null, { id: (100 + newCount), pId: 0, isParent: isParent, name: "new node" + (newCount++) });
      }
      if (treeNode) {
        zTree.editName(treeNode[0]);
      } else {
        alert("Leaf node is locked and can not add child node.");
      }
    };

    function edit() {
      var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
        nodes = zTree.getSelectedNodes(),
        treeNode = nodes[0];
      if (nodes.length == 0) {
        alert("Please select one node at first...");
        return;
      }
      zTree.editName(treeNode);
    };

    function remove(e) {
      var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
        nodes = zTree.getSelectedNodes(),
        treeNode = nodes[0];
      if (nodes.length == 0) {
        alert("Please select one node at first...");
        return;
      }
      var callbackFlag = $("#callbackTrigger").attr("checked");
      zTree.removeNode(treeNode, callbackFlag);
    };

    function clearChildren(e) {
      var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
        nodes = zTree.getSelectedNodes(),
        treeNode = nodes[0];
      if (nodes.length == 0 || !nodes[0].isParent) {
        alert("Please select one parent node at first...");
        return;
      }
      zTree.removeChildNodes(treeNode);
    };

    $(document).ready(function() {
      $.fn.zTree.init($("#treeDemo"), setting, zNodes);
      $("#addParent").bind("click", { isParent: true }, add);
      $("#addLeaf").bind("click", { isParent: false }, add);
      $("#edit").bind("click", edit);
      $("#remove").bind("click", remove);
      $("#clearChildren").bind("click", clearChildren);
    });
    //-->
  </SCRIPT>
</HEAD>

<BODY>
<h1>Edit Nodes - zTree methods</h1>
<h6>[ File Path: exedit/edit_fun.html ]</h6>
<div class="content_wrap">
  <div class="zTreeDemoBackground left">
    <ul id="treeDemo" class="ztree"></ul>
  </div>
  <div class="right">
    <ul class="info">
      <li class="title">
        <h2>1, Explanation of 'addNodes / editName / removeNode / removeChildNodes' method</h2>
        <ul class="list">
          <li>Use 'addNodes / editName / removeNode / removeChildNodes' method can also be achieved copy / move nodes.</li>
          <li>Method 'cancelEditName' is effective, only when edit the node name. Please use it when necessary, this demo doesn't show how to use the method.</li>
          <li class="highlight_red">Use setting.data.keep.parent / leaf attribute, you can lock the parent node and leaf node.</li>
          <li>
            <p>
              Try to edit node:<br/>
              &nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" id="callbackTrigger" checked/> Whether trigger the callback when execution removeNode() method.<br/>
              &nbsp;&nbsp;&nbsp;&nbsp;[ <a id="addParent" href="#" title="add parent node" onclick="return false;">add parent node</a> ]
              &nbsp;&nbsp;&nbsp;&nbsp;[ <a id="addLeaf" href="#" title="add leaf node" onclick="return false;">add leaf node</a> ]
              &nbsp;&nbsp;&nbsp;&nbsp;[ <a id="edit" href="#" title="edit name" onclick="return false;">edit name</a> ]<br/>
              &nbsp;&nbsp;&nbsp;&nbsp;[ <a id="remove" href="#" title="remove node" onclick="return false;">remove node</a> ]
              &nbsp;&nbsp;&nbsp;&nbsp;[ <a id="clearChildren" href="#" title="make child nodes to empty" onclick="return false;">make child nodes to empty</a> ]<br/>
              remove log:<br/>
              <ul id="log" class="log"></ul>
            </p>
          </li>
          <li class="highlight_red">How to use 'zTreeObj.addNodes / cancelEditName / editName / removeNode / removeChildNodes' method, please see the API documentation.</li>
        </ul>
      </li>
      <li class="title">
        <h2>2, Explanation of setting</h2>
        <ul class="list">
          <li>Same as 'Basic Edit Nodes'</li>
          <li class="highlight_red">Lock the parent / leaf node status, need to set setting.data.keep.parent / leaf attribute, see the API documentation for more related contents</li>
        </ul>
      </li>
      <li class="title">
        <h2>3, Explanation of treeNode</h2>
        <ul class="list">
          <li>Same as 'Basic Edit Nodes'</li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</BODY>
</HTML>